CN102023836A - Display method of mobile terminal vector map and mobile terminal - Google Patents

Display method of mobile terminal vector map and mobile terminal Download PDF

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Publication number
CN102023836A
CN102023836A CN 201010569450 CN201010569450A CN102023836A CN 102023836 A CN102023836 A CN 102023836A CN 201010569450 CN201010569450 CN 201010569450 CN 201010569450 A CN201010569450 A CN 201010569450A CN 102023836 A CN102023836 A CN 102023836A
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China
Prior art keywords
pictures
sub
map
portable terminal
data
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Pending
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CN 201010569450
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Chinese (zh)
Inventor
王志刚
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BEIJING TENGRUIWANLI TECHNOLOGY Co Ltd
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BEIJING TENGRUIWANLI TECHNOLOGY Co Ltd
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Priority to CN 201010569450 priority Critical patent/CN102023836A/en
Publication of CN102023836A publication Critical patent/CN102023836A/en
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Abstract

The invention provides a display method of a mobile terminal vector map and a mobile terminal. The display method of the mobile terminal vector map is as follows: when a map display indication signal is received, searching multiple sub-pictures used for constituting the required map picture from a picture cache region; if judging and mastering the sub-pictures are contained in the picture cache region, reading the sub-pictures and displaying the sub-pictures on a screen; and otherwise, acquiring vector data for generating the sub-pictures; generating the sub-pictures according to the vector data, storing the generated sub-pictures in the picture cache region and displaying the generated sub-pictures on the screen. The mobile terminal comprises the screen, a control module and a picture cache module. In the display method of the mobile terminal vector map and the mobile terminal, the map picture to be displayed is divided into the sub-pictures which are respectively read or generated and displayed, the operation is independent, and the display speed of the vector map is improved.

Description

The display packing of portable terminal map vector and portable terminal
Technical field
The present invention relates to the portable terminal electronic map technique, relate in particular to a kind of display packing and portable terminal of portable terminal map vector.
Background technology
Along with the continuous development of mobile terminal device technology, electronic chart enters people's life by various media, and the user generates map picture according to data again, and shows on the screen of portable terminal by the data of portable terminal from the downloaded electronic chart.A kind of form of the data source of prior art is a vector data, generates electronic chart by vector data, needs the data downloaded amount little, download time is shorter, and map datum is adapted at portable terminal and carries out this locality storage, and the map zooming effect is good, data are accurate, the reusability height.But in actual application, when the user browsed map, portable terminal need carry out the drafting of map picture according to vector data, and it is bigger that this process is influenced by mobile terminal performance, long stagnation sense can be occurred in the navigation process, user instruction can't be in time responded.
Summary of the invention
The invention provides a kind of display packing and portable terminal of portable terminal map vector, to improve the display speed of portable terminal map vector.
The invention provides a kind of display packing of portable terminal map vector, comprising:
When receiving map demonstration indicator signal, be used to form a plurality of sub-pictures of required map picture from the inquiry of image cache district, know that described image cache district comprises described sub-pictures, then reads described sub-pictures, and shows if judge on screen; Otherwise, obtain the vector data that is used to generate described sub-pictures, generate described sub-pictures according to described vector data, the described sub-pictures that generates is stored to described image cache district, and on described screen, shows.
The display packing of aforesaid portable terminal map vector, wherein, the described a plurality of sub-pictures that are used to form required map picture from image cache district inquiry comprise:
Inquire about the level cache district in described image cache district, know that described level cache district comprises described sub-pictures, then reads described sub-pictures, and shows on described screen if judge; Otherwise, inquire about the L2 cache district in described image cache district.
The display packing of aforesaid portable terminal map vector, wherein, the described vector data that is used to generate described sub-pictures that obtains comprises:
Be used to generate the vector data of described sub-pictures from the data buffer area inquiry, know that described data buffer area comprises the data file of described vector data, then obtains described vector data according to described data file if judge; Otherwise, by the described vector data of network download, generate described data file, and described data file be stored to described data buffer area according to described vector data.
The display packing of aforesaid portable terminal map vector, wherein, the described described sub-pictures that will generate is stored to described image cache district and comprises:
Described sub-pictures is stored to the level cache district in described image cache district;
Generate picture file according to described sub-pictures, and described picture file is stored to the L2 cache district in described image cache district.
The display packing of aforesaid portable terminal map vector, wherein, described level cache district is the internal storage of described portable terminal, described L2 cache district and described data buffer area are the storage card of described portable terminal.
The display packing of aforesaid portable terminal map vector also comprises:
When receiving map when moving indicator signal, in described level cache district, read the sub-pictures that is used to form map picture, and on described screen, show.
The invention provides a kind of portable terminal, comprise screen, also comprise:
Control module, be used for when receiving map demonstration indicator signal, being used to form a plurality of sub-pictures of required map picture, know that described image cache module comprises described sub-pictures if judge from the inquiry of image cache module, then read described sub-pictures, and on described screen, show; Otherwise, obtain the vector data that is used to generate described sub-pictures, generate described sub-pictures according to described vector data, the described sub-pictures that generates is stored to described image cache module, and on described screen, shows;
The image cache module is used to store the described sub-pictures that generates according to described vector data.
Aforesaid portable terminal, wherein, described image cache module comprises:
The level cache unit is used to store the described map sub-pictures that generates according to described vector data, and described level cache unit is the internal storage of described terminal;
The L2 cache unit is used for generating picture file according to described sub-pictures, and storage, and described L2 cache unit is the storage card of described portable terminal.
Aforesaid portable terminal also comprises:
The network download module is used for by the described vector data of network download;
Data cache module is used for generating data file according to described vector data, and storage, and described data cache module is the storage card of described portable terminal.
Aforesaid portable terminal, wherein, described control module also is used for reading the sub-pictures that is used to form map picture in described level cache unit, and showing on described screen when receiving map when moving indicator signal.
As shown from the above technical solution, the display packing of portable terminal map vector provided by the invention and portable terminal, the indivisible process of whole screen map picture will directly be generated by vector data, each forms the process of the sub-pictures of map picture the generation of cutting apart, and has improved the display speed of map vector.
Description of drawings
The display packing process flow diagram of the portable terminal map vector that Fig. 1 provides for the embodiment of the invention one;
The structural representation of the portable terminal that Fig. 2 provides for the embodiment of the invention two.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the technical scheme in the embodiment of the invention is clearly and completely described below in conjunction with the embodiment of the invention.Need to prove that in accompanying drawing or instructions, similar or components identical is all used identical Reference numeral.
Embodiment one
The display packing process flow diagram of the portable terminal map vector that Fig. 1 provides for the embodiment of the invention one, as shown in Figure 1, the display packing of this portable terminal map vector comprises:
When receiving map demonstration indicator signal, execution in step 10 is inquired about a plurality of sub-pictures that are used to form required map picture from the image cache district.Then execution in step 20, judge whether the image cache district comprises sub-pictures, if judgement knows that the image cache district comprises sub-pictures, then execution in step 30, read sub-pictures, and on screen, show; Otherwise, execution in step 40, obtain the vector data that is used for the spanning subgraph sheet, according to vector data spanning subgraph sheet, the sub-pictures that generates is stored to the image cache district, and on screen, shows.
The user carries out browsing of map vector by the screen of portable terminal, when if the screen of portable terminal is touch-screen, the user can carry out the operation that map moves by touch-screen, function button is set on the portable terminal usually, and the user also can carry out the move operation of map by the corresponding function button.Map shows that indicator signal is specially the signal that triggers when the user stops the operation of moving map, when receiving this map demonstration indicator signal, mean that the user need browse the map of current location, then be used to form a plurality of sub-pictures of required map picture from the inquiry of image cache district, sub-pictures is specially the little picture that is divided into according to the map picture that can show on the screen, and the size of sub-pictures can be calculated according to the size of screen according to preset ratio and obtain.If comprise the sub-pictures that is used to form this map picture in the image cache district, then directly read the sub-pictures in the image cache district, and on screen, show.If do not comprise the sub-pictures that is used to form this map picture in the image cache district, then obtain the vector data that generates picture, according to vector data spanning subgraph sheet, the sub-pictures that generates is stored to the image cache district, and on screen, shows.In actual application, may store a part of sub-pictures that is used to form current required displayed map picture in the image cache district, then those sub-pictures are read from the image cache district, and show in screen, DISPLAY ORDER can show according to preset order, the upper left corner as setting screen is true origin, can be according to from true origin, what show line by line carries out smoothly, also can be according to from true origin, by carrying out smoothly that row show, do not exceed with present embodiment.Sub-pictures generates according to vector data, generally include map reference information and engineer's scale information, the user not only can carry out the operation of moving map, can also amplify or dwindle the operation of map, map reference information is the station location marker of map, engineer's scale information is the map amplification or dwindles other sign of level that coordinate and engineer's scale show corresponding sub-pictures in the relevant position of screen according to the map.
The display packing process flow diagram of the portable terminal map vector that present embodiment provides, by being divided into sub-pictures, map picture shows, improved the display speed of map vector, and the generative process of each sub-pictures is independently, in the time slot that two sub-pictures generate, system can respond user instruction.
In the present embodiment, step 10, a plurality of sub-pictures of being used to form required map picture from image cache district inquiry specifically can comprise:
The level cache district of step 11, inquiry picture buffer area, then execution in step 12, judge whether the level cache district comprises sub-pictures, if judgement knows that the level cache district comprises sub-pictures, then execution in step 13, read sub-pictures, and on screen, show; Otherwise, the L2 cache district of execution in step 14, inquiry picture buffer area.The level cache district specifically is used to store sub-pictures, and preferably, the level cache district is the internal storage of portable terminal, then can be directly internally storer carry out reading of sub-pictures, improved the display speed of sub-pictures.The L2 cache district specifically can be used to store the picture file that generates according to sub-pictures, and preferably, the L2 cache district is the storage card of portable terminal, and the capacity of storage card generally greater than the capacity of internal storage, can be stored more sub-pictures.
In the present embodiment, obtaining the vector data that is used for the spanning subgraph sheet specifically can comprise:
Step 41, be used for the vector data of spanning subgraph sheet from data buffer area inquiry, then whether comprise the vector data that is used for the spanning subgraph sheet in execution in step 42, the judgment data buffer area, if judge and know that data buffer area comprises the data file of vector data, then execution in step 43, obtain vector data according to data file, otherwise, execution in step 44, by the network download vector data, generate data file according to vector data, and data file be stored to data buffer area.Data buffer area is used for storage and generates data file according to vector data, also can directly store vector data.Preferably, data buffer area is the storage card of portable terminal, and the memory capacity of storage card is bigger, can store a large amount of vector datas, with according to vector data spanning subgraph sheet, has reduced the network download request, has improved the display speed of map picture.
In the present embodiment, the sub-pictures that generates being stored to the image cache district specifically can comprise:
Step 45, sub-pictures is stored to the level cache district in image cache district;
Step 46, generate picture file, and picture file is stored to the L2 cache district in image cache district according to sub-pictures.
In the present embodiment, the display packing of portable terminal map vector also comprises:
Step 50, when receiving map when moving indicator signal, in the level cache district, read the sub-pictures that is used to form map picture, and on screen, show.Map moves the signal that triggers when indicator signal is specially the user by touch-screen or button moving map, usually the user carries out searching of position by moving map, the picture that this moment, the user only need browse map substantially gets final product, by from the level cache district, reading sub-pictures and showing, improved display speed, for the sub-pictures that does not comprise in the level cache district, can show that the purpose that plays the map signal gets final product with grid picture or black and white picture.
Portable terminal show map vector detailed process can for: as user during, in the level cache district, read sub-pictures, and on screen, show by touch-screen or button moving map.When the user stops moving map, be that the user has determined the required map location of browsing, then inquire about and whether comprise the sub-pictures of forming required displayed map picture in the level cache district, if comprise, then read and show, otherwise, then inquire about the L2 cache district, if the L2 cache district comprises required sub-pictures, then read and show, otherwise, then further the data buffer area is inquired about, if data buffer area comprises in order to generate the vector data of required sub-pictures,, be stored to level cache district and L2 cache district then according to vector data spanning subgraph sheet, and show, otherwise the trigger network request is by the required vector data of network download.Setting by level cache district, L2 cache district and three grades of buffer memorys of data buffer area, can be when moving map, do not carry out the inquiry of the inquiry in L2 cache district and data buffer area and according to the operation of vector data spanning subgraph sheet, reduce the time of relative users instruction, accelerated display speed.When map is static, can accelerate to generate the speed of map to the time of time decreased for directly from the picture file in L2 cache district, reading sub-pictures according to vector data spanning subgraph sheet by inquiry L2 cache district.Can reduce network traffics by being provided with of data buffer area, further reduce the time of resolving network data.The high-capacity storage that L2 cache district and data buffer area also can adopt other does not exceed with present embodiment.
Embodiment two
The structural representation of the portable terminal that Fig. 2 provides for the embodiment of the invention two, as shown in Figure 2, the display packing of the portable terminal map vector that any embodiment of the present invention provides can realize by this portable terminal, but not as limit, this portable terminal comprises screen 101, also comprise control module 102 and image cache module 103, control module 102 is used for when receiving map demonstration indicator signal, the a plurality of sub-pictures that are used to form required map picture from 103 inquiries of image cache module, if judge and know that image cache module 103 comprises sub-pictures, then read sub-pictures, and on screen 101, show; Otherwise, obtain the vector data that is used for the spanning subgraph sheet, according to vector data spanning subgraph sheet, the sub-pictures that generates is stored to image cache module 103, and on screen 101, shows.Image cache module 103 is used to store the sub-pictures that generates according to vector data.
The portable terminal that present embodiment provides shows by map picture is divided into sub-pictures, the procedure for displaying of indivisible map picture is divided into sub-pictures shows respectively, has improved the speed that portable terminal shows map vector.
In the present embodiment, image cache module 103 specifically can comprise level cache unit 104 and L2 cache unit 105, level cache unit 104 is used to store the map sub-pictures that generates according to vector data, and preferably, level cache unit 104 is the internal storage of terminal.L2 cache unit 105 is used for generating picture file according to sub-pictures, and storage, and preferably, L2 cache unit 105 is the storage card of portable terminal.Portable terminal can also also comprise network download module 106 and data cache module 107, network download module 106 is used for by the network download vector data, data cache module 107 is used for generating data file according to vector data, and storage, preferably, data cache module 107 is the storage card of portable terminal.Three grades of buffer memory settings by level cache unit 104, L2 cache unit 105 and data cache module 107, store sub-pictures respectively, picture file and data file, can carry out three grades searches and reads, improved the display speed of map vector, also enlarged the scope that sub-pictures obtains at mobile phone terminal.
In the present embodiment, control module 102 also is used for reading the sub-pictures that is used to form map picture when receiving map when moving indicator signal in level cache unit 104, and shows on screen 101.
The display packing of portable terminal map vector provided by the invention and portable terminal, by being used to form the sub-pictures setting of map picture, the process of displayed map picture is divided into the process that generates or read sub-pictures, improved display speed, demonstration time slot at contiguous two word pictures that show, instruction that can relative users has improved user's experience.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. the display packing of a portable terminal map vector is characterized in that, comprising:
When receiving map demonstration indicator signal, be used to form a plurality of sub-pictures of required map picture from the inquiry of image cache district, know that described image cache district comprises described sub-pictures, then reads described sub-pictures, and shows if judge on screen; Otherwise, obtain the vector data that is used to generate described sub-pictures, generate described sub-pictures according to described vector data, the described sub-pictures that generates is stored to described image cache district, and on described screen, shows.
2. the display packing of portable terminal map vector according to claim 1 is characterized in that, the described a plurality of sub-pictures that are used to form required map picture from image cache district inquiry comprise:
Inquire about the level cache district in described image cache district, know that described level cache district comprises described sub-pictures, then reads described sub-pictures, and shows on described screen if judge; Otherwise, inquire about the L2 cache district in described image cache district.
3. the display packing of portable terminal map vector according to claim 2 is characterized in that, the described vector data that is used to generate described sub-pictures that obtains comprises:
Be used to generate the vector data of described sub-pictures from the data buffer area inquiry, know that described data buffer area comprises the data file of described vector data, then obtains described vector data according to described data file if judge; Otherwise, by the described vector data of network download, generate described data file, and described data file be stored to described data buffer area according to described vector data.
4. the display packing of portable terminal map vector according to claim 3 is characterized in that, the described described sub-pictures that will generate is stored to described image cache district and comprises:
Described sub-pictures is stored to the level cache district in described image cache district;
Generate picture file according to described sub-pictures, and described picture file is stored to the L2 cache district in described image cache district.
5. according to the display packing of claim 3 or 4 described portable terminal map vectors, it is characterized in that: described level cache district is the internal storage of described portable terminal, and described L2 cache district and described data buffer area are the storage card of described portable terminal.
6. the display packing of portable terminal map vector according to claim 5 is characterized in that, also comprises:
When receiving map when moving indicator signal, in described level cache district, read the sub-pictures that is used to form map picture, and on described screen, show.
7. a portable terminal comprises screen, it is characterized in that, also comprises:
Control module, be used for when receiving map demonstration indicator signal, being used to form a plurality of sub-pictures of required map picture, know that described image cache module comprises described sub-pictures if judge from the inquiry of image cache module, then read described sub-pictures, and on described screen, show; Otherwise, obtain the vector data that is used to generate described sub-pictures, generate described sub-pictures according to described vector data, the described sub-pictures that generates is stored to described image cache module, and on described screen, shows;
The image cache module is used to store the described sub-pictures that generates according to described vector data.
8. portable terminal according to claim 7 is characterized in that, described image cache module comprises:
The level cache unit is used to store the described map sub-pictures that generates according to described vector data, and described level cache unit is the internal storage of described terminal;
The L2 cache unit is used for generating picture file according to described sub-pictures, and storage, and described L2 cache unit is the storage card of described portable terminal.
9. portable terminal according to claim 8 is characterized in that, also comprises:
The network download module is used for by the described vector data of network download;
Data cache module is used for generating data file according to described vector data, and storage, and described data cache module is the storage card of described portable terminal.
10. portable terminal according to claim 9 is characterized in that:
Described control module also is used for reading the sub-pictures that is used to form map picture in described level cache unit, and showing on described screen when receiving map when moving indicator signal.
CN 201010569450 2010-11-26 2010-11-26 Display method of mobile terminal vector map and mobile terminal Pending CN102023836A (en)

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CN105549936A (en) * 2015-12-21 2016-05-04 腾讯科技(深圳)有限公司 Data table display method and apparatus
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CN103915033A (en) * 2012-12-29 2014-07-09 高德软件有限公司 Method and apparatus for rendering map, and mobile terminal
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WO2019136589A1 (en) * 2018-01-09 2019-07-18 深圳市小猫信息技术有限公司 Map label information display method and device, terminal, and readable storage medium
CN110930856A (en) * 2018-09-20 2020-03-27 巴中源本穑电子商务有限公司 Map making method

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Application publication date: 20110420